<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
            label-width="68px">
            <el-form-item label="类别名称" prop="categoryName">
                <el-input v-model="queryParams.categoryName" placeholder="请输入类别名称" clearable
                    @keyup.enter.native="handleQuery" />
            </el-form-item>
            <el-form-item label="类别编码" prop="categoryCode">
                <el-input v-model="queryParams.categoryCode" placeholder="请输入类别编码" clearable
                    @keyup.enter.native="handleQuery" />
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select v-model="queryParams.status" placeholder="类别状态" clearable>
                    <el-option v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.label"
                        :value="dict.value" />
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                    v-hasPermi="['stock:category:add']">新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
                    v-hasPermi="['stock:category:edit']">修改</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple"
                    @click="handleDelete" v-hasPermi="['stock:category:remove']">删除</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                    v-hasPermi="['stock:category:export']">导出</el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-loading="loading" :data="categoryList" row-key="id"
            :tree-props="{ children: 'children', hasChildren: 'hasChildren' }" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" align="center" />
            <el-table-column label="类别名称" align="left" prop="categoryName" :show-overflow-tooltip="true" />
            <el-table-column label="类别编码" align="center" prop="categoryCode" />
            <el-table-column label="排序" align="center" prop="orderNum" width="60" />
            <el-table-column label="状态" align="center" prop="status">
                <template slot-scope="scope">
                    <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status" />
                </template>
            </el-table-column>
            <el-table-column label="创建时间" align="center" prop="createTime" width="180">
                <template slot-scope="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                </template>
            </el-table-column>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template slot-scope="scope">
                    <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                        v-hasPermi="['stock:category:edit']">修改</el-button>
                    <el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)"
                        v-hasPermi="['stock:category:add']">新增</el-button>
                    <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                        v-hasPermi="['stock:category:remove']">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 添加或修改商品类别对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="父类别" prop="parentId">
                    <treeselect v-model="form.parentId" :options="categoryOptions" :normalizer="normalizer"
                        :show-count="true" placeholder="选择父类别" />
                </el-form-item>
                <el-form-item label="类别名称" prop="categoryName">
                    <el-input v-model="form.categoryName" placeholder="请输入类别名称" />
                </el-form-item>
                <el-form-item label="类别编码" prop="categoryCode">
                    <el-input v-model="form.categoryCode" placeholder="请输入类别编码" />
                </el-form-item>
                <el-form-item label="显示排序" prop="orderNum">
                    <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
                </el-form-item>
                <el-form-item label="状态" prop="status">
                    <el-radio-group v-model="form.status">
                        <el-radio v-for="dict in dict.type.sys_normal_disable" :key="dict.value"
                            :label="dict.value">{{ dict.label }}</el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="备注" prop="remark">
                    <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/stock/category";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
    name: "InventoryCategory",
    dicts: ['sys_normal_disable'],
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 显示搜索条件
            showSearch: true,
            // 总条数
            total: 0,
            // 商品类别表格数据
            categoryList: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 类别树选项
            categoryOptions: [],
            // 查询参数
            queryParams: {
                categoryName: undefined,
                categoryCode: undefined,
                status: undefined
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                parentId: [
                    { required: true, message: "父类别不能为空", trigger: "blur" }
                ],
                categoryName: [
                    { required: true, message: "类别名称不能为空", trigger: "blur" }
                ],
                categoryCode: [
                    { required: true, message: "类别编码不能为空", trigger: "blur" }
                ],
                orderNum: [
                    { required: true, message: "显示排序不能为空", trigger: "blur" }
                ]
            }
        };
    },
    created() {
        this.getList();
    },
    methods: {
        /** 查询商品类别列表 */
        getList() {
            this.loading = true;
            listCategory(this.queryParams).then(response => {
                this.categoryList = this.handleTree(response.rows, "id", "parentId");
                this.loading = false;
            });
        },
        /** 转换类别数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.id,
                label: node.categoryName,
                children: node.children
            };
        },
        /** 查询类别下拉树结构 */
        getTreeselect() {
            listCategory().then(response => {
                this.categoryOptions = [];
                const data = { id: 0, categoryName: '顶级类别', children: [] };
                data.children = this.handleTree(response.rows, "id", "parentId");
                this.categoryOptions.push(data);
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                id: undefined,
                parentId: 0,
                categoryName: undefined,
                categoryCode: undefined,
                orderNum: 0,
                status: "0",
                remark: undefined
            };
            this.resetForm("form");
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset();
            this.getTreeselect();
            if (row != null && row.id) {
                this.form.parentId = row.id;
            }
            this.open = true;
            this.title = "添加商品类别";
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            this.getTreeselect();
            if (row != null) {
                this.form = row;
            }
            this.open = true;
            this.title = "修改商品类别";
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.id != undefined) {
                        updateCategory(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addCategory(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            const ids = row.id || this.ids;
            this.$modal.confirm('是否确认删除商品类别编号为"' + ids + '"的数据项？').then(function() {
                return delCategory(ids);
            }).then(() => {
                this.getList();
                this.$modal.msgSuccess("删除成功");
            }).catch(() => {});
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download('stock/category/export', {
                ...this.queryParams
            }, `category_${new Date().getTime()}.xlsx`)
        }
    }
};
</script> 